class_docstr: data dictionary for pushing to tb
      
code: def add_text(self, text_dict):
      self.datapack[self.TEXT_NAME].update(text_dict)
  
imports: import abc
  import tensorboardX
label_desc: Use image node_id 7 for calling the TensorboardDatapack obj's underlying member method code with example usage: obj.add_text(text_dict) without return types